Australian spelling vs demythologisation

Australian spelling and demythologisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Australian spelling	Yes	No	No	No
demythologisation	Yes	No	No	No

Australian spelling (noun)	demythologisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the restatement of a message (as a religious one) in rational terms